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1. GNU Scientific Library -- Reference Manual - Arctangent Integral
- www.math.utah.edu
- Arctangent Integral.
- Function: double gsl_sf_atanint (double x) Function: int gsl_sf_atanint_e (double x, gsl_sf_result * result) These routines compute the Arctangent integral @math{AtanInt(x) = \int_0^x dt \arctan(t)/t}. ...
2. EE313 Linear Systems and Signals - Homework #10 Hints
- www.ece.utexas.edu
- When using the arctangent function to determine the angle for the compact trigonometric series, there can be a division by zero if the cosine series coefficient is 0. In that case, the arctangent function has a value of pi/2 if bn is positive or -pi/2 if bn is negative. A better version of the arctangent function has two arguments where x is the horizontal component and y is the vertical component: .
- If you pass y/x as the lone argument to the arctangent function, then the arctangent function can only return an angle in the range -pi/2 .
3. atan2 - arctangent of Y/X in the range -PI to PI
- www.sunsite.ualberta.ca
- atan2 - arctangent of Y/X in the range -PI to PI.
- atan2 - arctangent of Y/X in the range -PI to PI.
- Returns the arctangent of Y/X in the range -PI to PI.
- sub tan { sin($_ 0 ) / cos($_ 0 ) } atan2 - arctangent of Y/X in the range -PI to PI.
4. ccdoc ArcTangent actions.h:360:class
- www.duke.edu
- class ArcTangent.
- ~ArcTangent.
- ArcTangent.
- ArcTangent.
- destructor ~ArcTangent.
- h Code:public ~ ArcTangent ( ).
- constructor ArcTangent.
- h:364 Code:public ArcTangent (.
- constructor ArcTangent.
- h Code:public ArcTangent (.
- const ArcTangent & ).
- h Code:public ArcTangent & operator = (.
- const ArcTangent & ).
5. atan(RR,RR) -- arctangent function
- www.math.uiuc.edu
- search for: atan(RR,RR) -- arctangent function .
- Function: atan -- arctangent function .
6. C++ reference: cmath: atan
- www.cplusplus.com
- Calculate arctangent.
- Performs the trigonometric arctangent operation on x and returns an angle in the range from -PI/2 to PI/2 expressed in radians. ...
- x Value whose arctangent has to be calculated. ...
- Arctangent of x. ...
- 14159265 int main () { double param, result; param = 5; result = atan (param) * 180 / PI; printf ("Arctangent of %lf is %lf degrees\n", param, result ); return 0; } Output:.
- Arctangent of 5. ...
7. Javascript - Arctangent
- members.shaw.ca
8. New Extensions To ARCtangent-A4 Processor Enable Small, Low-Cost Java-Enabled Systems
- www.semiseek.com
- New Extensions To ARCtangent-A4 Processor Enable Small, Low-Cost Java-Enabled Systems.
- ARC International (LSE: ARK), a leader in user-customizable processors and software for communications and consumer products, announces new Java(TM) extensions for its ARCtangent(TM)-A4 user-customizable microprocessor, enabling one of the smallest embedded Java solutions currently available.
- They add only about 5K gates to the 32-bit ARCtangent-A4 processor - a total of less than 40K gates for an integrated RISC/Java solution. ...
- Fujitsu's multimedia business was one of the first companies to develop MPEG-2 and multimedia chips based on ARC's processor, and now it is expected to ship the first Java-enabled multimedia processor based on ARCtangent-A4.
- They require no cumbersome mode switching, because compilers and programmers can freely interleave the standard and extended ARCtangent-A4 instructions. ... The ARCtangent-A4 processor with Java extensions can execute multiple Java bytecodes per clock cycle, where other solutions require multiple clock cycles per bytecode.
- The Java extensions for the ARCtangent-A4 processor are expected to be available in Q2 2002.
- ARC International is a leading developer of user-customizable, high-performance 32-bit RISC/DSP processor cores (including ARCtangent(TM)), with integrated development tools, peripherals and software. ...
- ARC, the ARC logo, and ARCtangent, are trademarks of ARC International. ...
9. C++ reference: cmath: atan2
- www.cplusplus.com
- Calculate arctangent, 2 parameters.
- Performs the trigonometric arctangent operation on y/x and returns an angle in the range from -PI to PI expressed in radians, using the signs of the parameters to determine the quadrant.
- y and x Values from whose division has to be calculated the arctangent.
- Arctangent of y/x. ...
- 14159265 int main () { double x, y, result; x = 0; y = 5; result = atan2 (y,x) * 180 / PI; printf ("Arctangent for (x=%lf, y=%lf) is %lf degrees\n", x, y, result ); return 0; } Output:.
- Arctangent for (x=0. ...
10. FixATan2 (IM: U)
- developer.apple.com
- You can use the FixATan2 function to obtain a fast approximation of the arctangent of a fraction.
- FUNCTION FixATan2 (x, y: LongInt): Fixed; x The numerator of the fraction whose arctangent is to be obtained. ... y The denominator of the fraction whose arctangent is to be obtained. ...
- The FixATan2 function returns, in radians, the arctangent of y/x.
- The approximation of Pi/4 used to compute the arctangent is the hexadecimal value 0. ... Despite the approximation of Pi, the arctangent value obtained will usually be correct to several decimal places.
11. Pegasus Function Reference - Support
- www.hyperception.com
- ArcTangent(x).
- Calculates the ArcTangent value of the input signal.
- Output Mode (Degree or Radian): When selected the Degree parameter will instruct the ArcTangent block to use a data type of degrees. When selected the Radian parameter will instruct the ArcTangent block to use a data type of radians.
- The ArcTangent block will calculate the ArcTangent of each data element of the input frame and will return values in either Radians or degrees which depends upon the selection of the above parameters. ...
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12. Ashling announces Multi-Core debug support for ARCtangent Core Applications
- www.ashling.com
- Ashling announces Multi-Core debug support for ARCtangent Core Applications.
- Limerick, Ireland, August 2004: Ashling Microsystems announces the addition of multi-core debugging support to the Ashling Opella-ARCtangent debugging platform for ARCtangent core applications. The Ashling Opella-ARCtangent JTAG probe operates with ARC's SeeCode Debugger, ARCangel boards and ARCtangent customer boards to provide a comprehensive debugging platform for ARCtangent applications.
- Opella-ARCtangent offers full support for multi-core target systems (where the ARCtangent cores are on the same JTAG chain). In addition, multiple Opella-ARCtangents can be connected to a single PC for multi-core target systems with a unique JTAG chain for each ARCtangent core.
- Opella-ARCtangent supports a USB connection to the host PC allowing high-speed communication to the target, for both code download and FPGA programming. The developer has full control of the JTAG communication clock and is offered a choice of JTAG clock speeds for debug-communications to the target ARCtangent core.
- Opella-ARCtangent is supplied with a D15 debug probe cable, pre-configured for use with ARC™ ARCangel prototyping system; in addition, probe options are available for direct connection to the ARCtangent core (in a custom FPGA or in final silicon) on the user’s target board.
- said “We developed Opella-ARCtangent in cooperation with ARC International, the design was based on Ashling’s proven “Opella-USB” on-chip debug hardware unit, this solution offers developers a cost efficient, reliable, high-performance emulator that will facilitate development, debugging, test and validation of their applications. ...
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